What does the word echinoidea mean?

sea urchins
: a class of motile bottom-dwelling echinoderms comprising the sea urchins and related forms.

What are characteristics of sea urchin?

Similar to sea stars, sea urchins have a water vascular system. Their spherical shape is typically small, ranging from about 3 cm to 10 cm in diameter, and their bodies are covered with a spiny shell. The skeleton of a sea urchin is also known as the test.

What is phonetic sound?

Phonetics is the study of human sounds and phonology is the classification of the sounds within the system of a particular language or languages. Sounds can be divided into consonants and vowels. The former can be characterised according to 1) place, 2) manner of articulation and 3) voice (voiceless or voiced).

How do I find my phonetic name?

Your name will be pronounced phonetically. Phonetic pronunciation of your first and last names is saying them as they sound, not as they are written. For example: David Baranowski (David Ba-ra-nof-ski)

What are the examples of pronounce?

To pronounce is to say a word a certain way, to hand down a judgment or to formally announce something. An example of pronounce is when you say the word “drawer” with a New York accent. An example of pronounce is when a jury declares someone guilty.

What is the medical definition of Echinoidea?

Medical definition of Echinoidea: a class of motile bottom-dwelling echinoderms comprising the sea urchins and related forms.

What kind of animal is an echinoderm?

It is the scientific term for Echinoderm animal that includes starfish, sea urchins, sand dollars, and sea cucumbers. Learn more about the word “Echinodermata” , its origin, alternative forms, and usage from Wiktionary.

What is the name of a motile bottom dwelling echinoderm?

: a class of motile bottom-dwelling echinoderms comprising the sea urchins and related forms.

What is the difference between Coelenterata and Echinodermata?

In 18J5, however, Owen included under Lamarck’s term Radiaria the Echinodermata, Anthozoa, Acalepha and Hydrozoa, while Agassiz also clung to the term Radiata as including Echinodermata, Acalepha and Polypi, regarding their separation into Coelenterata and Echinodermata as an exaggeration of their